Class 10 Physics Online Tests
Lenses and Characteristics MCQ (Multiple Choice Questions) PDF Download
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The MCQ: Power of a lens is defined as the reciprocal of its; "Lenses and Characteristics" App Download (Free) with answers: Focal length in meters; Principal axis; Optical center; Vertex; to learn online classes courses. Solve Geometrical Optics Quiz Questions, download Google eBook (Free Sample) for virtual online school.
Lenses and Characteristics MCQs PDF: Questions Answers Download
Concave lens is also called
- diverging lens
- converging lens
- convex lens
- none of above
Power of a lens is defined as the reciprocal of its
- focal length in meters
- principal axis
- optical center
- vertex
A point on the principal axis at the center of lens is known as
- principal axis
- optical center
- principal focus
- focal length
As the focal length of a concave lens is positive, therefore its power should be
- also negative
- always zero
- positive
- neutral
If an ophthalmologist places a 3.00 diopter lens next to 0.75 diopter lens, the power of lens should be
- 3 diopters
- 0.75 diopters
- 2.25 diopters
- 3.75 diopters
Class 10 Physics Practice Tests
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